# Fasta vs StepLock

The clearest difference is ads: Fasta at none against StepLock's shown. Fasta also leads on iOS requirement (15.1 vs 18.0). StepLock's advantage is update cadence (every 5 days vs every 2 weeks). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Fasta sells 2 in-app purchases, starting at $7.99 per month and StepLock sells 2 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

Fasta ships an update every 2 weeks, StepLock every 5 days. The most recent releases landed on September 24, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Fasta | StepLock |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 weeks | **Every 5 days** |
| Size | 74 MB | 27 MB |
| Requires iOS | **15.1** | 18.0 |
| Devices | **iPhone, iPod, Apple Watch** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [OneCount Pty Ltd](https://appshunter.io/developer/1879196979) | [Thinkbyte](https://appshunter.io/developer/1720025381) |

## What reviewers say

### Fasta

[App page](https://appshunter.io/ios/app/fasta-fasting-timer/id6770219812)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Fasta Premium | $7.99 | per month |
| Fasta Premium | $49.99 | per year |


### StepLock

[App page](https://appshunter.io/ios/app/steplock-limit-screen-time/id6797871383)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| StepLock Pro Monthly | $0.99 | per month |
| StepLock Pro Annual | $8.99 | per year |


## Frequently asked questions

### Is Fasta free?

Fasta is free to download, with in-app purchases available.

### Is StepLock free?

StepLock is free to download, with in-app purchases available.

### Do Fasta or StepLock have ads?

StepLock shows ads; Fasta does not.

### Which is updated more often, Fasta or StepLock?

Fasta ships an update every 2 weeks, and StepLock every 5 days. Most recently, Fasta was updated on September 24, 2026 and StepLock on September 10, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*